How to Estimate Absolute-Error Components in Structural Equation Models of Generalizability Theory

نویسندگان

چکیده

Structural equation modeling (SEM) has been proposed to estimate generalizability theory (GT) variance components, primarily focusing on estimating relative error calculate coefficients. Proposals for absolute-error components have given the impression that a separate SEM must be fitted transposed data matrix. This paper uses real and simulated demonstrate how single can specified absolute (and thus dependability) by placing appropriate constraints mean structure, as well thresholds (when used ordinal measures). Using R packages lavaan gtheory, different estimators are compared normal discrete measurements. Limitations of GT demonstrated using multirater from planned missing-data design, an important remaining area future development is discussed.

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ژورنال

عنوان ژورنال: Psych

سال: 2021

ISSN: ['2624-8611']

DOI: https://doi.org/10.3390/psych3020011